PT - JOURNAL ARTICLE ED - , TI - Preconference papers DP - 2005 Nov 01 TA - Occupational and Environmental Medicine PG - e4--e4 VI - 62 IP - 11 4099 - http://oem.bmj.com/content/62/11/e4.short 4100 - http://oem.bmj.com/content/62/11/e4.full SO - Occup Environ Med2005 Nov 01; 62